Major Flood
75 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
73.8 ft
Minor Flood
71 ft
Action Stage
68 ft
What Floods at Each Level
70.5 ft
Water is up to the maintenance building in Hagaman Park.
69 ft
The playground area in Hagaman Park along Highway 165 is flooded.
65 ft
Hagaman Park along Highway 165 begins to flood.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Dec 4, 1950 | 73.81 ft | 13,600 cfs |
| Mar 21, 2023 | 71.44 ft | 6,007 cfs |
| Mar 20, 2011 | 70.51 ft | 6,400 cfs |
About This Gauge
Get Flood Alerts for Merced River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Merced River at Stevinson?
The Merced River at Stevinson gauge is maintained by USGS (site 11272500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Merced River at Stevinson?
The NWS-defined flood stage for Merced River at Stevinson is 71 feet. Action stage begins at 68 feet. Moderate flooding starts at 73.8 feet, and major flooding at 75 feet.
How do I get alerts when Merced River rises?
Download StormCast free on Google Play, go to River Gauges, and add Merced River at Stevinson to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Merced River at Stevinson gauge located?
The gauge is located in Merced County, California at coordinates 37.3708°N, 120.9294°W. USGS site number: 11272500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey, Observations courtesy of U.S. Army Corps of Engineers